# How to update Mozilla Firefox

[Update Firefox to the latest release | Firefox Help (mozilla.org)](https://support.mozilla.org/en-US/kb/update-firefox-latest-release)

1. <span class="for" data-for="win,linux">Click the menu button ![Fx89menuButton](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/gallery/images/2021-05-15-11-18-38-e5b736.png) at the right side of the Firefox toolbar, go to <span class="menu">Help</span>, and select <span class="menu">About Firefox</span>.</span> The <span class="for" data-for="win,linux">*About Mozilla Firefox*</span> window will open.
2. Firefox will check for updates automatically. If an update is available, it will be downloaded. <dl><dt><span class="for" data-for="win">![fx91AboutDownloadingUpdate](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/gallery/images/2021-09-02-13-51-35-2e231e.png)</span></dt></dl>
3. When the download is complete, click <span class="button">Restart to update Firefox</span>. <dl><dt><span class="for" data-for="win">![fx91AboutRestartUpdate](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/gallery/images/2021-09-02-13-53-23-381f1c.png)</span></dt></dl>